Posted on July 13, 2015 by laureng 5 Seconds of Summer write new song 5 Seconds of Summer have written a new song called “Gone For Good” with Alex Gaskarth and Deryck Whibley. Related posts: Relient K performing MMHMM on Yahoo! tonight Green Day plays show at a high school in 1990 The 1975 to premiere new single on Thursday The Unlikely Candidates releases new single “Ringer”